OLED-128O064G-SPP3N00000
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Vishay
Revision: 14-Dec-16
2
Document Number: 37911
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INTERFACE PIN FUNCTION
PIN NO. SYMBOL FUNCTION
1 NC (GND) No connection.
2V
SS
Ground.
3 to 10 NC No connection.
11 V
DD
Power supply pin for core logic operation
12 BS1
MCU bus interface selection pins. Select appropriate logic setting as described in the
following table. BS2, BS1, and BS0 are pin select
13 BS2
BS1 BS2
I
2
C10
4-wire serial 0 0
8-bit 68XX parallel 0 1
8-bit 80XX parallel 1 1
Notes
• 0 is connected to V
SS
• 1 is connected to V
DD
14 NC No connection
15 CS#
This pin is the chip select input connecting to the MCU.
The chip is enabled for MCU communication only when CS# is pulled “low” (active “low”).
16 RES
#
This pin is reset signal input.
When the pin is pulled “low”, initialization of the chip is executed.
Keep this pin pull “high” during normal operation.
17 D / C#
This pin is data / command control pin connecting to the MCU.
When the pin is pulled “high”, the data at D[7:0] will be interpreted as data.
When the pin is pulled “low”, the data at D[7:0] will be transferred to a command register.
In I
2
C mode, this pin acts as SA0 for slave address selection.
When 3-wire serial interface is selected, this pin must be connected to V
SS
.
18 R / W#
This pin is read / write control input pin connecting to the MCU interface.
When 6800 interface mode is selected, this pin will be used as read / write (R / W#) selection
input. Read mode will be carried out when this pin is pulled “high” and write mode when
“low”.
When 8080 interface mode is selected, this pin will be the write (WR#) input. Data write
operation is initiated when this pin is pulled “low” and the chip is selected.
When serial or I
2
C interface is selected, this pin must be connected to V
SS
.
19 E / RD#
This pin is MCU interface input.
When 6800 interface mode is selected, this pin will be used as the enable (E) signal.
Read/write operation is initiated when this pin is pulled “high” and the chip is selected.
When 8080 interface mode is selected, this pin receives the read (RD#) signal. Read
operation is initiated when this pin is pulled “low” and the chip is selected.
When serial or I
2
C interface is selected, this pin must be connected to V
SS
.
20 to 27 D0 to D7
These pins are bi-directional data bus connecting to the MCU data bus.
Unused pins are recommended to tie “low”.
When serial interface mode is selected, D0 will be the serial clock input: SCLK; D1 will be the
serial data input: SDIN and D2 should be kept NC.
When I
2
C mode is selected, D2, D1 should be tied together and serve as SDA
OUT
, SDA
IN
in
application and D0 is the serial clock input, SCL.
28 I
REF
This pin is the segment output current reference pin.
I
REF
is supplied externally.
29 V
COMH
COM signal deselected voltage level.
A capacitor should be connected between this pin and V
SS
.
30 V
CC
Power supply for panel driving voltage. This is also the most positive power voltage supply
pin.
31 NC (GND) No connection.
